Undev/redmine_non_member_watcher

require_dependency 'user'

module RedmineNonMemberWatcher::Patches
  module UserPatch
    extend ActiveSupport::Concern

    included do
      alias_method_chain :roles_for_project, :non_members
      alias_method_chain :allowed_to?, :non_member_roles
    end

    def roles_for_project_with_non_members(project)
      roles = roles_for_project_without_non_members(project)
      if roles.include? Role.non_member
        roles << Role.non_member_watcher
        roles << Role.non_member_author
      end
      roles
    end

    def allowed_to_with_non_member_roles?(action, context, options={}, &block)
      allowed_to_without_non_member_roles?(action, context, options, &block) ||
        if logged? && context && context.is_a?(Project)
          roles = roles_for_project(context)
          roles.any? { |role|
            (role == Role.non_member_watcher || role == Role.non_member_author) &&
              role.allowed_to?(action) &&
              (block_given? ? yield(role, self) : true)
          }
        else
          false
        end
    end
  end
end